input.spin-button 
{
    padding-right: 20px;
    background-color: white;
    background-repeat: no-repeat;    
    background-position: 100% 0%;
    background-image: url(/sfExtraWidgetsPlugin/img/spinbutton/spinbtn_updn.gif);
}

input.spin-button.up 
{
    cursor: pointer;
    background-position: 100% -18px;
    z-index: 99;
}

input.spin-button.down 
{
    cursor: pointer;
    background-position: 100% -36px;
    z-index: 99;
}
